Discomfort Glare in Outdoor Nighttime Environments

About this Course

The IES offers Educational Webinars throughout the year, purposefully spanning a broad range of topics and speaker expertise. This was a live webinar, now available as an archived webinar and CEU course.

Description: One of the most important aspects of visual comfort and lighting quality is the restriction and elimination of glare. With the advancement of LED technology, glare has received renewed interest. But what makes it challenging to create a simple metric that accurately predicts the perception of glare? This webinar will cover the basics of glare, methods and research challenges when investigating glare and creating metrics, and the importance of research in this area. It will also cover work of the Discomfort Glare in Outdoor Nighttime Environments (DGONE) committee including the glare demonstration conducted during the 2019 IES Annual Conference.

Learning Objectives:

By the end of this course learners will be able to...

1. Describe elements contributing to visual comfort.  
2. Identify aspects of discomfort glare.  
3. Explore past glare research and current practices and metrics.
4. Learn about a live glare demonstration, the methodology and results. 


Discomfort Glare in Outdoor Nighttime Environments
Open to view video.
Open to view video. This video is required for course completion.
3 Questions
3 Questions This survey is required for course completion.
1.00 CEU credit  |  Certificate available
1.00 CEU credit  |  Certificate available

Yulia Tyukhova


Dr. Yulia Tyukhova is an independent researcher, whose primary research areas include glare, visual comfort, lighting quality, human perception, and high dynamic range luminance measurements. She received her PhD in Architectural Engineering – Lighting from the University of Nebraska. She is actively involved in technical and non-technical committees of the Illuminating Engineering Society (IES), International Commission on Illumination (CIE), and the Transportation Research Board (TRB). She is the Chair of the IES Emerging Professionals (EP) committee that focuses on opportunities for new professionals and the benefits of the program to the society. Dr. Tyukhova holds two patents, authors scientific papers, and presents at conferences. Yulia Tyukhova is a recipient of the Fulbright scholarship and the STEP Ahead Emerging Leader Award from the Manufacturing Institute and was named a future thought leader of the lighting industry by LD+A magazine in 2013.